STIsEmpty (geography Data Type)

APPLIES TO: yesSQL Server yesAzure SQL Database noAzure SQL Data Warehouse noParallel Data Warehouse

Returns 1 if a geography instance is empty. Returns 0 if a geography instance is not empty.

Syntax

  
.STIsEmpty ( )  

Return Types

SQL Server return type: bit

CLR return type: SqlBoolean

Examples

The following example creates an empty geography instance and uses STIsEmpty() to verify that the instance is empty.

DECLARE @g geography;  
SET @g = geography::STGeomFromText('POLYGON EMPTY', 4326);  
SELECT @g.STIsEmpty();  

See Also

OGC Methods on Geography Instances